Finding the Fourth Proportional to 7,299,040.20, 10,072,495.98 and 4,035,768.36
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Solution
The fourth proportional to 7,299,040.20, 10,072,495.98 and 4,035,768.36 is: 5,569,261.09
Step by Step Solution
- Step 1: Write the proportion equation
7,299,040.20 : 10,072,495.98 = 4,035,768.36 : x - Step 2: Convert to fraction form
7,299,040.20/10,072,495.98 = 4,035,768.36/x - Step 3: Cross multiply
7,299,040.20x = 10,072,495.98 × 4,035,768.36 - Step 4: Simplify right side
7,299,040.20x = 40,650,260,582,311.20 - Step 5: Solve for x
x = 40,650,260,582,311.20/7,299,040.20 - Step 6: Final answer
x = 5,569,261.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.